cfl.dk

📜 Historical scan 2026-09-11 17:16:04  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cfl.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 12 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.66.0.125 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cfl-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   30ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

🌍 A Records#

2 records   8ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.66.0.125 3600s — AS13335 Cloudflare, Inc. 172.66.0.0/22 — —
162.159.140.127 3600s — AS13335 Cloudflare, Inc. 162.159.128.0/19 — —

📧 MX Records#

1 records   19ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s cfl-dk.mail.protection.outlook.com 2a01:111:f403:c967::8
2a01:111:f403:ca04::4
2a01:111:f403:ca21::c
2a01:111:f403:ca38::8
52.101.103.137
52.101.103.36
52.101.185.21
52.101.68.25		 mail-cpjpr04cu00100.inbound.protection.outlook.com
mail-db4pr02cu00204.inbound.protection.outlook.com
mail-matpr04cu00204.inbound.protection.outlook.com
mail-wa4pr04cu00100.inbound.protection.outlook.com
mail-miypr02cu00101.inbound.protection.outlook.com
mail-miypr05cu00104.inbound.protection.outlook.com
mail-zrxpr05cu00105.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:7::7d 3600s — AS13335 Cloudflare, Inc. 2606:4700::/41 — —
2a06:98c1:58::7d 3600s — AS13335 Cloudflare, Inc. 2a06:98c1:58::/47 — —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   76ms
TXT Record
v=spf1 a mx ip4:152.115.131.154 ip4:77.221.234.11 ip4:77.221.226.24 ip4:85.235.1.32 ip4:77.243.131.195 ip4:77.221.234.3 ip4:185.21.42.105 ip4:185.21.40.76 ip4:69.48.215.10 ip4:94.137.137.114 ip4:185.21.42.105 Include:acemdns.com include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (cfl.dk)
-all (hard fail) v=spf1 a mx ip4:152.115.131.154 ip4:77.221.234.11 ip4:77.221.226.24 ip4:85.235.1.32 ip4:77.243.131.195 ip4:77.221.234.3 ip4:185.21.42.105 ip4:185.21.40.76 ip4:69.48.215.10 ip4:94.137.137.114 ip4:185.21.42.105 include:acemdns.com include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.cfl.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:tjmpklk7@ag.eu.dmarcian.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 14:38:36
www162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found
SelectorCNAMEKey
s1 s1.domainkey.u43940623.wl124.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u43940623.wl124.sendgrid.net RSA · ~2048 bit
selector1 selector1-cfl-dk._domainkey.centerforledelse.onmicrosoft.com RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

126ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
Key typeAlgorithmPublic key
KSK ECDSA P-256/SHA-256 seufGx8dJhi5uBF1MYRs5WiPmNXyuXGIBMmyetLd…

🏷️ SOA#

2ms
FieldValue
Serial2026062301
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-12 15:04:04
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-05-12
Expires2029-06-30 (983d)

🔗 Same registrant#

4 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
blanchard.dkPunktum dk A/S (direct)
blanchardinternational.dkPunktum dk A/S (direct)
lederquiz.dkPunktum dk A/S (direct)
lederudviklingsprogram.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
8ms
MX
19ms
AAAA
43ms
TXT
76ms
CAA
11ms
HTTPS
27ms
TLSA
475ms
SOA
2ms
MTA-STS
4ms
DNSSEC
126ms
SRV
0ms
Total
6984ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 14:38:36 3315ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-09 10:05:59 1063ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-29 19:55:10 1011ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 17:21:14 1215ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-25 07:40:24 824ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-11 17:16:04 shown 6984ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-02 11:27:33 1180ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-26 01:32:05 941ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-24 00:06:04 1694ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 18:00:02 3171ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-16 20:10:55 1684ms 2 NS 2 A 1 MX 🔒 Secure
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